blasphemy vs profanity

blasphemy and profanity both are nouns.

Word	Noun	Adjective	Verb	Adverb
blasphemy	Yes	No	No	No
profanity	Yes	No	No	No

As nouns, profanity is a hypernym of blasphemy; that is, profanity is a word with a broader meaning than blasphemy:

blasphemy: blasphemous language (expressing disrespect for God or for something sacred)
profanity: vulgar or irreverent speech or action

Other hypernyms of blasphemy include discourtesy, disrespect.

blasphemy (noun)	profanity (noun)
blasphemous behavior; the act of depriving something of its sacred character	vulgar or irreverent speech or action
blasphemous language (expressing disrespect for God or for something sacred)